- How does size affect the rate of diffusion?
- Will protein affect the rate of diffusion?
- How does pore size affect diffusion?
- How does temperature affect the rate of diffusion experiment?
- What are two variables that affect the rate of diffusion?
- Why does diffusion occur?
- Which of the following factors would decrease the rate of diffusion?
- What are the 4 factors that affect the rate of diffusion?
- What are the 3 factors that affect the rate of diffusion?
- What is diffusion of oxygen and carbon dioxide?
- Why does co2 diffuse faster than o2 in the lungs?
- Does pH affect rate of diffusion?
How does size affect the rate of diffusion?
When the cell increases in size, the volume increases faster than the surface area, because volume is cubed where surface area is squared.
When there is more volume and less surface area, diffusion takes longer and is less effective.
this is actually why cells divide..
Will protein affect the rate of diffusion?
Carrier proteins increase the rate of diffusion by allowing more solute to enter the cell.
How does pore size affect diffusion?
How does pore size affect the diffusion of different molecules? Biological membranes are selectively permeable; some molecules can cross while others cannot. … Change the pore size with the slider to change the permeability of the membrane to the different types of molecules.
How does temperature affect the rate of diffusion experiment?
When temperature increases, the kinetic energy of the particles has increased. … Therefore, at higher temperatures, the rate at which fluid particles will diffuse is faster than at lower temperatures. In the experiment, the food coloring will diffuse faster in the hot water than in the cold water.
What are two variables that affect the rate of diffusion?
The two variables affecting the rate of diffusion are the concentration gradient and size of the molecule. Concentration gradient: The movement of the substance is generally along the concentration gradient of the solute and it moves from a region of its higher concentration to a region of its lower concentration.
Why does diffusion occur?
Diffusion is the movement of a substance from an area of high concentration to an area of low concentration. Diffusion happens in liquids and gases because their particles move randomly from place to place. Diffusion is an important process for living things; it is how substances move in and out of cells.
Which of the following factors would decrease the rate of diffusion?
The closer the distribution of the material get to equilibrium, the slower the rate of diffusion becomes. Higher temperature increase the energy and therefore the movement of the molecules, increasing the rate of diffusion. Lower temperatures decrease the energy of the molecules, thus decreasing the rate of diffusion.
What are the 4 factors that affect the rate of diffusion?
The rate of diffusion is affected by the concentration gradient, membrane permeability, temperature, and pressure. Diffusion takes place as long as there is a difference between the concentrations of a substance across a barrier.
What are the 3 factors that affect the rate of diffusion?
Several factors affect the rate of diffusion of a solute including the mass of the solute, the temperature of the environment, the solvent density, and the distance traveled.
What is diffusion of oxygen and carbon dioxide?
Gas Exchange Between Alveolar Spaces and Capillaries The function of the respiratory system is to move two gases: oxygen and carbon dioxide. … Diffusion is the spontaneous movement of gases, without the use of any energy or effort by the body, between the gas in the alveoli and the blood in the capillaries in the lungs.
Why does co2 diffuse faster than o2 in the lungs?
When gases are diffusing through liquids, for example across the alveolar membrane and into capillary blood, the solubility of the gases is important. The more soluble a gas is, the faster it will diffuse. In this case carbon dioxide diffuses much faster than oxygen, as it is much more soluble.
Does pH affect rate of diffusion?
The bigger the difference between the two sides of concentration, the faster the molecule will diffuse. Why does pH affect the rate of diffusion? The acidity of alkaline properties of the solute can affect the stability of the cell(s). … It can occur if there is a concentration gradient, and if the membrane is permeable.